sdlab.dk

📜 Historical scan 2026-09-11 06:04:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sdlab.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.23.255.27 is hosted by Fiberby ApS (AS42541) in Denmark. Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.23.255.27	600s	89-23-255-27.ip4.fiberby.net	AS42541	Fiberby ApS	89.23.224.0/19	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	sdlab.dk → 89.23.255.27
🔶 Autoconfig	sdlab.dk → 89.23.255.27

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 14:21:46

www CNAME	sdlab.dk (all on sdlab.dk) → 89.23.255.27 (AS42541)
www vs bare domain	Same network sdlab.dk: 89.23.255.27 (AS42541) www.sdlab.dk: 89.23.255.27 (AS42541)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.sdlab.dk	sdlab.dk

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

129ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026091001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

41ms

42ms

46ms

AAAA

40ms

TXT

166ms

CAA

37ms

HTTPS

39ms

TLSA

523ms

SOA

0ms

MTA-STS

60ms

DNSSEC

129ms

SRV

81ms

Total

1311ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 14:21:46	664ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 01:51:24	476ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-11 06:04:13 shown	1311ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 10:33:14	637ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 18:26:45	4435ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 02:25:12	793ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 01:29:58	690ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 23:42:12	1159ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 17:02:41	688ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 03:32:36	620ms	2 NS 1 A 0 MX	🔒 Secure